package com.douyu.data.rabbitmq.simple;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import org.springframework.beans.factory.annotation.Autowired;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.concurrent.TimeoutException;

public class Producer {

    public static void main(String[] args) {
//        1. 创建连接工程
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost("172.22.34.1"); // 172.22.34.1
        connectionFactory.setPort(5672);
        connectionFactory.setUsername("admin");
        connectionFactory.setPassword("admin");
        connectionFactory.setVirtualHost("healerVH");
        Connection connection;
        Channel channel;
        try {
//            2. 创建连接Connection
            connection = connectionFactory.newConnection("生产者");
            //        3. 通过连接获取通道Channel
            channel = connection.createChannel();

            //        4. 通过创建交换机，声明队列，绑定关系，路由key,发送消息，和接收消息
            String queueName = "healerQueue";
            /**
             *
             * @param queue - 队列名
             * @param durable - 是否要持久化，
             * @param exclusive - 排他性，是否独占队列
             * @param autoDelete - 是否自动删除，随着最后一个消费者消息完毕消息后，是否把队列自动删除
             * @param arguments
             * @throws IOException
             */
            channel.queueDeclare(queueName, false,false,false,null);
//        5. 准备消息内容
            String message = "chenp要睡觉了";
//        6. 发送消息给队列queue
            channel.basicPublish("", queueName,null, message.getBytes());
//        7. 关闭通道
            if(channel != null && channel.isOpen()){
                channel.close();
            }
//        8. 关闭连接
            if(connection != null && connection.isOpen()){
                connection.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (TimeoutException e) {
            e.printStackTrace();
        }
    }


}
